target/earlgrey/syscall_latency/BUILD.bazel

# Copyright 2025 The Pigweed Authors
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.

load("@pigweed//pw_kernel/tooling:app_package.bzl", "app_package")
load("@pigweed//pw_kernel/tooling:system_image.bzl", "system_image")
load("@pigweed//pw_kernel/tooling:target_codegen.bzl", "target_codegen")
load("@pigweed//pw_kernel/tooling:target_linker_script.bzl", "target_linker_script")
load("@rules_rust//rust:defs.bzl", "rust_binary")
load("//target/earlgrey:defs.bzl", "TARGET_COMPATIBLE_WITH")
load("//target/earlgrey/signing/keys:defs.bzl", "FPGA_ECDSA_KEY", "SILICON_ECDSA_KEY")
load("//target/earlgrey/tooling:opentitan_runner.bzl", "opentitan_runner")

rust_binary(
    name = "syscall_latency",
    srcs = [
        "main.rs",
    ],
    crate_features = select({
        "//target/earlgrey:fpga": ["fpga"],
        "//target/earlgrey:silicon": ["silicon"],
        "//target/earlgrey:verilator": ["verilator"],
        "//conditions:default": [],
    }),
    crate_name = "syscall_latency",
    edition = "2024",
    target_compatible_with = TARGET_COMPATIBLE_WITH,
    deps = [
        ":app_syscall_latency",
        "//target/earlgrey:config",
        "//target/earlgrey/registers",
        "@pigweed//pw_base64/rust:pw_base64",
        "@pigweed//pw_kernel/syscall:syscall_user",
        "@pigweed//pw_kernel/userspace",
        "@pigweed//pw_log/rust:pw_log",
        "@pigweed//pw_status/rust:pw_status",
    ],
)

app_package(
    name = "app_syscall_latency",
    app_name = "syscall_latency",
    edition = "2024",
    system_config = "@pigweed//pw_kernel/target:system_config_file",
    tags = ["kernel"],
)

system_image(
    name = "measure_syscall_latency",
    apps = [
        ":syscall_latency",
    ],
    kernel = ":target",
    platform = "//target/earlgrey",
    system_config = ":system_config",
    tags = ["kernel"],
)

target_linker_script(
    name = "linker_script",
    system_config = ":system_config",
    tags = ["kernel"],
    template = "//target/earlgrey:linker_script_template",
)

filegroup(
    name = "system_config",
    srcs = ["system.json5"],
)

target_codegen(
    name = "codegen",
    arch = "@pigweed//pw_kernel/arch/riscv:arch_riscv",
    system_config = ":system_config",
)

rust_binary(
    name = "target",
    srcs = [
        "target.rs",
    ],
    edition = "2024",
    tags = ["kernel"],
    target_compatible_with = TARGET_COMPATIBLE_WITH,
    deps = [
        ":codegen",
        ":linker_script",
        "//target/earlgrey:entry",
        "@pigweed//pw_kernel/arch/riscv:arch_riscv",
        "@pigweed//pw_kernel/kernel",
        "@pigweed//pw_kernel/lib/memory_config",
        "@pigweed//pw_kernel/subsys/console:console_backend",
        "@pigweed//pw_kernel/target:target_common",
        "@pigweed//pw_kernel/userspace",
        "@pigweed//pw_log/rust:pw_log",
    ],
)

opentitan_runner(
    name = "measure_syscall_latency_verilator",
    interface = "verilator",
    target = ":measure_syscall_latency",
)

opentitan_runner(
    name = "measure_syscall_latency_hyper310",
    ecdsa_key = FPGA_ECDSA_KEY,
    interface = "hyper310",
    target = ":measure_syscall_latency",
)

opentitan_runner(
    name = "measure_syscall_latency_hyper340",
    ecdsa_key = FPGA_ECDSA_KEY,
    interface = "hyper340",
    target = ":measure_syscall_latency",
)

opentitan_runner(
    name = "measure_syscall_latency_silicon",
    ecdsa_key = SILICON_ECDSA_KEY,
    interface = "teacup",
    tags = ["manual"],
    target = ":measure_syscall_latency",
)